Image Processing Device

2. The image processing device of claim 1, wherein a size of the first payload is an integer multiple of a size of a data access unit of the memory.

3. The image processing device of claim 1, wherein the first payload includes a first binary code and a first k value code, the first binary code is the second image data entropy encoded and the first k value code represents a k value of the entropy encoded first binary code, and wherein the second payload includes a second binary code and a second k value code, the second binary code is the second image data entropy encoded.

4. The image processing device of claim 3, wherein the second binary code is quantized by a predetermined quantization parameter (QP), the second payload includes a QP code, and the QP code indicates the QP of the second binary code.

5. The image processing device of claim 1, wherein the second image data is encoded into YUV and includes a luma signal block, a first chroma signal block and a second chroma signal block.

6. The image processing device of claim 5, wherein the frame buffer compressor operates first to third modes, in the first mode, the frame buffer compressor compresses the luma signal block, the first chroma signal block and the second chroma signal block of the second image data together, in the second mode, the frame buffer compressor compresses the first chroma signal block and the second chroma signal block of the second image data together and separately compresses the luma signal block of the second image data, and in the third mode, the frame buffer compressor compresses the luma signal block, the first chroma signal block and the second chroma signal block of the second image data respectively.

7. The image processing device of claim 6, wherein the third image data includes a binary code which is the compressed second image data, in the first mode and the second mode, the binary code includes data about each pixel, and the data about each pixel includes the data of a different plane.

8. The image processing device of claim 6, wherein the third image data includes a binary code and a k-value code, the binary code is the second image data entropy encoded and the k-value code indicates a k-value of the entropy encoded binary code, the k-value code has a first size when the third image data is compressed in the third mode, the k-value code is one or twice a size of the first size when the third image data is compressed in the second mode, and the k-value code is one, twice or three-times a size of the first size when the third image data is compressed in the first mode.

9. The image processing device of claim 6, wherein a binary code is quantized by a predetermined quantization parameter (QP), the third image data includes a QP code, the QP code indicates a QP of the binary code, the QP code has a second size when the third image data is compressed in the third mode, the QP code is one or twice a size of the second size when the third image data is compressed in the second mode, the QP code is one, twice or three-times a size of the second size when the third image data is compressed in the first mode.

10. The image processing device of claim 5, wherein a size ratio of the luma signal block, the first chroma signal block and the second chroma signal block in the second image data is 4:1:1 or 4:2:2.

12. The image processing device of claim 11, wherein the encoder includes a quantization module to quantize the second image data based on a quantization parameter (QP) and compress the quantized second image data, the decoder includes an inverse quantization module to decode the second image data based on the QP.

13. The image processing device of claim 12, wherein the frame buffer operates in a lossy mode or a lossless mode, in the lossless mode, the second image data is transformed a compression data by the prediction module and the entropy encoding module, in the lossy mode, the second image data is compressed to the third image data by the prediction module, the quantization module and the entropy encoding module.

15. The image processing device of claim 14, wherein the padding module is configured such that a size of the compression data is a first integer multiple of a size of a data access unit of the memory by the padding, and the compression ratio corresponds to the first integer.

17. The image processing device of claim 16, wherein the multimedia IP includes an image signal processor to transform the first image data into the second image data and transfer the second image data to the frame buffer compressor, the first image data is RGB format data and the second image data is YUV format data.

18. The image processing device of claim 17, wherein the multimedia IP includes a multi-format codec to receive the second image data from the frame buffer compressor and compress the second image data and return the compressed second image data to the frame buffer compressor.